FURTHER INVESTIGATIONS ON THE REACTIVITY OF RHENIUM ARYLIMIDO-COMPLEXES AND THE DEOXYGENATION REACTION OF RNO IN

DOI: 10.1039/DT9800001145

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Journal of the Chemical Society, Dalton Transactions p. 1145 - 1149 (1980)

Update date:2022-08-05

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Authors:

Monica La, Girolamo

Cenini, Sergio

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Article abstract of DOI:10.1039/DT9800001145

By treating (R=C6H4Me-p) (1) with elemental sulphur, <n> (2) (n probably two) is formed, one phosphine being removed as S=PPh3.By the action of PPh3 complex (2) can easily be converted into (1).Compound (2) proved to be more reactive than (1).The reaction with dioxygen, leading to (3), requires milder conditions when (2) is used instead of (1) and was shown to occur even with such a mild oxidant as MeC6H4NO2-p.As a by-product of the reaction with dioxygen, the paramagnetic (4) was formed; compound (4) is the main product when the reaction of (2) with O2 is carried out in CCl4.The reactions of (2) with neutral ligands such as CO, CNC6H11, OCNC6H11, and NH2(C6H11) have been studied, the complexes (5), (6), > (7), and <>2> (8) being obtained respectively.The arylnitroso-ligand of complex (3) can be deoxygenated by reaction with tertiary phosphines PR'2Ph (R'=Ph or Et) leading to with concomitant displacement of OPPh3 and OPR'2Ph, or with CNC6H11 leading to (9) and <2O> (10), the fate of CNC6H11 being unclear.

Full text of DOI:10.1039/DT9800001145

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Product name:ReCl₃(NC₆H₄CH₃)(P(C₂H₅)2C₆H₅)2

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